Home / 19,326.60-28,987.20-6,180.30

Finding the Fourth Proportional to 19,326.60, 28,987.20 and 6,180.30

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Solution

The fourth proportional to 19,326.60, 28,987.20 and 6,180.30 is: 9,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.60 : 28,987.20 = 6,180.30 : x
  2. Step 2: Convert to fraction form
    19,326.60/28,987.20 = 6,180.30/x
  3. Step 3: Cross multiply
    19,326.60x = 28,987.20 × 6,180.30
  4. Step 4: Simplify right side
    19,326.60x = 179,149,592.16
  5. Step 5: Solve for x
    x = 179,149,592.16/19,326.60
  6. Step 6: Final answer
    x = 9,269.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.